Mobile terminal and method of displaying image using the same

ABSTRACT

The present invention provides a mobile terminal and a method of displaying an image using the same. A method of displaying an image includes connecting a mobile terminal displaying an image on a screen to a display apparatus through a TV-out cable; terminating the display of the image on the screen by the mobile terminal and displaying supplementary information of the image on the mobile terminal; and displaying the image in the display apparatus by transmitting the image from the mobile terminal to the display apparatus through the TV-out cable. By utilizing a display apparatus for displaying an image, and a display screen of a mobile terminal as a space for controlling the image and displaying supplementary information of the image file, the convenience of a user of the mobile terminal is improved.

CROSS-REFERENCE TO RELATED APPLICATION(S) AND CLAIM OF PRIORITY

The present application claims priority to an application entitled“MOBILE TERMINAL AND METHOD OF DISPLAYING IMAGE USING THE SAME” filed inthe Korean Intellectual Property Office on Oct. 1, 2007 and assignedSerial No. 2007-0098816, the contents of which are incorporated hereinby reference.

TECHNICAL FIELD OF THE INVENTION

The present invention relates to a mobile terminal and a method ofdisplaying an image using the same, and more particularly, to a mobileterminal for controlling an image and displaying supplementaryinformation of the image while displaying the image on a separatedisplay apparatus, and a method of displaying an image using the same.

BACKGROUND OF THE INVENTION

The mobile terminal market is very rapidly growing due to newtechnologies and new functions attracting customers' interest. Inparticular, the mobile terminal can now provide various applicationsbeyond a simple application according to the development oftechnologies, and thereby a user of the mobile terminal can utilizeaudio information, character information, image information, MP3 (MovingPicture Experts Group (MPEG) Player 3), and games using a mobileterminal.

However, when watching a movie by playing an image file using a mobileterminal, the user may experience inconvenience watching the movie dueto a small display area of the mobile terminal. Mobile terminalsproviding a TV-out function have been introduced to solve suchinconvenience.

If a mobile terminal having a TV-out function is connected to atelevision through a TV-out cable, the user may watch a movie through atelevision having a wide screen, because an image being played by themobile terminal is displayed on the television in the original format ofthe image. While the mobile terminal performs a TV-out function, thescreen of the mobile terminal may be switched off or may display thesame image as the television.

Switching off the screen of the mobile terminal or displaying the sameimage as the television while using a TV-out function has a disadvantagethat the screen space of the mobile terminal cannot efficiently beutilized to provide the user with further information and convenience.Further, when the mobile terminal displays the same image as thetelevision, the mobile terminal consumes its limited source of electricpower to display the same image.

SUMMARY OF THE INVENTION

To address the above-discussed deficiencies of the prior art, it is aprimary object of the present invention to utilize a screen of a displayunit of a mobile terminal for another function while using a TV-outfunction.

Another object of the present invention is to display supplementaryinformation of an image on a display unit of a mobile terminal whileusing a TV-out function.

Another object of the present invention is to improve user convenienceof a mobile terminal having a TV-out function.

Another object of the present invention is to utilize a separate displayapparatus for displaying an image, and a display screen of a mobileterminal as a space for controlling the image and displayingsupplementary information of the image.

According to an exemplary embodiment of the present invention, a methodof displaying an image using a mobile terminal includes: playing animage file using an image control window of the mobile terminal anddisplaying an image in an image display window of the mobile terminalwhile the mobile terminal is connected to a display apparatus through aTV-out cable; transmitting an image information of the image fileplaying on the mobile terminal to the display apparatus through theTV-out cable and displaying the image information on the displayapparatus; and terminating the display of the image on the image displaywindow and maintaining the image control window in the display unit ofthe mobile terminal for controlling the play of the image file.

According to another exemplary embodiment of the present invention, amethod for displaying an image includes: connecting a mobile terminaldisplaying an image on a screen to a display apparatus through a TV-outcable; terminating the display of the image on the screen by the mobileterminal and displaying supplementary information of the image on themobile terminal; and displaying the image on the display apparatus bytransmitting the image from the mobile terminal to the display apparatusthrough the TV-out cable.

According to another exemplary embodiment of the present invention, amobile terminal includes: a display unit for displaying an image displaywindow and an image control window, wherein the image display windowdisplays an image of a playing image file and the image control windowallows control of the play of the image file; a TV-out terminal foroutputting the image displayed on the display unit; and if the TV-outterminal is connected to a display apparatus through a TV-out cable, acontrol unit for transmitting an image information of the playing imagefile to the display apparatus through the TV-out cable, and forterminating the display of the image of the playing image file on theimage display window.

According to another exemplary embodiment of the present invention, amobile terminal includes: a display unit for displaying an image; aTV-out terminal for outputting the image displayed on the display unit;and if the TV-out terminal is connected to a display apparatus through aTV-out cable, a control unit for transmitting the image displayed on thedisplay unit of the mobile terminal to the display apparatus through theTV-out cable, and for terminating the display of the image on thedisplay unit and displaying supplementary information of the image onthe display unit.

According to the present invention, when using a TV-out function, animage received from a mobile terminal is displayed on a displayapparatus, and a display unit of the mobile terminal displays an imagecontrol window for controlling the image displayed on the displayapparatus and for displaying supplementary information of the image. Theuser can thereby watch an image through the display apparatus having alarge screen, control the image displayed on the display apparatus byusing the mobile terminal, and identify supplementary information of thedisplay image, thereby improving the user's convenience.

Before undertaking the DETAILED DESCRIPTION OF THE INVENTION below, itmay be advantageous to set forth definitions of certain words andphrases used throughout this patent document: the terms “include” and“comprise,” as well as derivatives thereof, mean inclusion withoutlimitation; the term “or,” is inclusive, meaning and/or; the phrases“associated with” and “associated therewith,” as well as derivativesthereof, may mean to include, be included within, interconnect with,contain, be contained within, connect to or with, couple to or with, becommunicable with, cooperate with, interleave, juxtapose, be proximateto, be bound to or with, have, have a property of, or the like.Definitions for certain words and phrases are provided throughout thispatent document, those of ordinary skill in the art should understandthat in many, if not most instances, such definitions apply to prior, aswell as future uses of such defined words and phrases.

BRIEF DESCRIPTION OF THE DRAWINGS

For a more complete understanding of the present disclosure and itsadvantages, reference is now made to the following description taken inconjunction with the accompanying drawings, in which like referencenumerals represent like parts:

FIG. 1 is a schematic drawing showing an image display system accordingto an exemplary embodiment of the present invention;

FIG. 2 is a block diagram showing a configuration of the image displaysystem of FIG. 1;

FIG. 3 is a flow chart showing a method for displaying an imageaccording to another exemplary embodiment of the present invention;

FIG. 4 is a flow chart showing a method for displaying an imageaccording to another exemplary embodiment of the present invention;

FIG. 5 is a flow chart showing a method for displaying an imageaccording to another exemplary embodiment of the present invention;

FIG. 6 is a flow chart showing a method for displaying an imageaccording to another exemplary embodiment of the present invention; and

FIGS. 7 and 8 are screen examples displayed in the methods fordisplaying an image of FIGS. 3 to 6.

DETAILED DESCRIPTION OF THE INVENTION

FIGS. 1 through 8, discussed below, and the various embodiments used todescribe the principles of the present disclosure in this patentdocument are by way of illustration only and should not be construed inany way to limit the scope of the disclosure. Those skilled in the artwill understand that the principles of the present disclosure may beimplemented in any suitably arranged mobile terminal.

Referring to FIGS. 1 and 2, an image display system 100 according to anexemplary embodiment of the present invention includes a mobile terminal10 and a display apparatus 20 connected through a TV-out cable 30. Whenthe mobile terminal 10 and the display apparatus 20 are connectedthrough the TV-out cable 30, the display apparatus 20 displays an imagereceived from the mobile terminal 10, and a display unit 17 of themobile terminal 10 displays an image control window for controlling theimage being displayed on the display apparatus 20 and for displayingsupplementary information of the image.

The mobile terminal 10 is an image display terminal having a TV-outterminal 18, and includes a control unit 11, an input unit 12, a memoryunit 13, a broadcast receiver 14, a camera unit 15, an audio processingunit 16, and a display unit 17.

The mobile terminal 10 can play an image file 19 and a receivedbroadcast image, and may be a mobile phone, smart phone, PDA (personaldigital assistant), mobile broadcast receiver such as a DMB (digitalmultimedia broadcasting) receiver, MP3 player, and PMP (portablemultimedia player).

The TV-out terminal 18 is a connector of the mobile terminal 10, and isconnected to an end of the TV-out cable 30. The TV-out terminal 18connects the control unit 11 of the mobile terminal 10 to the displayapparatus 20 connected to the other end of the TV-out cable 30.

The control unit 11 includes a microprocessor for controlling generaloperation of the mobile terminal 10, and controls a TV-out functionthrough the TV-out cable 30.

The input unit 12 includes a plurality of keys for the operation of themobile terminal 10, and outputs a signal generated by a user's keyselection to the control unit 11. A user command generated through theinput unit 12 may be a command for playing an image file or a commandfor receiving a broadcast. The input unit 12 may be a keypad, a touchpad, or a touch screen.

The memory unit 13 is configured with a plurality of volatile memoriesand a plurality of non-volatile memories, and stores programs forcontrolling the mobile terminal 10 and data generated during executionof the programs. The memory unit 13 also stores a program for performinga TV-out function, and at least one image file 19.

The image file 19 may be an internal image file provided as a default,an image file taken by the camera unit 15, and an image file downloadedfrom an external electronic device or from a web server. The image file19 may include image information, audio information, and supplementaryinformation. The supplementary information may include file informationand image content information. The file information may include a type,file size, and resolution of the image file 19. The image contentinformation may be, for example, description, genre, production date,director, and actors of the content of the image file 19.

The broadcast receiver 14 receives a broadcast signal from abroadcasting station through an antenna and outputs the broadcast signalto the control unit 11. The control unit 11 processes the receivedbroadcast signal into image information and audio information, andoutputs the image and audio information to the display unit 17 and theaudio processing unit 16, respectively.

The camera unit 15 performs a photographing function, and includes alens, and a CCD (charge coupled device) or CMOS (complementary metaloxide semiconductor) image sensor. In particular, the camera unit 15outputs image information by taking a picture. The control unit 11controls the memory unit 13 to store the image information and fileinformation as an image file 19 according to a user's selection signal.

The audio processing unit 16 converts an audio signal input through amicrophone to a digital signal, and outputs audio information of animage file 19 and of a broadcast image through a speaker while playingthe image file 19 or displaying the broadcast image.

The display unit 17 displays a menu of various functions of the mobileterminal 10 and information stored in the memory unit 13. The displayunit 17 may be configured with an LCD (liquid crystal display) as atouch screen. In this case, the touch screen operates as a display unitand an input unit.

The display unit 17 displays an image display window for displaying animage while playing an image file 19, and an image control window forcontrolling the image being displayed. The image control window displaysa control menu, an image information window, and a progress bar. Theuser may select an image file 19 to be played and control the play ofthe selected image file 19 through the image control window. When aTV-out function is performed, the display unit 17 may displaysupplementary information of the image in the image display windowinstead of playing the image file 19, and may maintain the displayedimage control window.

The display unit 17 displays a received broadcast image, and when aTV-out function is performed, the display unit 17 may displaysupplementary information of the broadcast image in the image displaywindow instead of displaying the broadcast image. The supplementaryinformation of the broadcast image includes channel information andimage content information.

The display apparatus 20 includes a TV-in terminal 27 to which an end ofthe TV-out cable 30 is connected. The TV-in terminal 27 of the displayapparatus 20 is connected to the control unit 11 of the mobile terminal10 through the TV-out cable 30. The display apparatus 20 may be a CRT(cathode ray tube), an LCD, or a PDP (plasma display panel).Additionally, if the display apparatus 20 includes an audio processingunit, audio information received through the TV-out cable 30 may beprocessed by the audio processing unit.

When the control unit 11 of the mobile terminal 10 is connected to thedisplay apparatus 20 through the TV-out cable 30, image information ofan image being played or received by the mobile terminal 10 istransmitted to the display apparatus 20 through the TV-out cable 30. Atthe same time, the control unit 11 terminates the display of the imageinformation of the image being played or received in the display unit17. The control unit 11 controls the display unit 17 to maintain theimage control window or to display the supplementary information of theimage being played or received.

Hereinafter, the TV-out function of the mobile terminal 10 according toan exemplary embodiment of the present invention is described in moredetail. The TV-out function displays an image being played or abroadcast image being received by the mobile terminal 10 in the displayapparatus 20.

For example, if a program of playing an image file is executed by themobile terminal 10, the control unit 11 controls the display unit 17 todisplay an image display window and an image control window. If aspecific image file 19 is selected and played through selection from acontrol menu in the image control window, the control unit 11 controlsthe display of the playing image in the image display window and thedisplay of play information of the playing image in the image controlwindow. The play information includes a title, play time, and progresstime. The title may be displayed in the image information window of theimage control window and the play time and the progress time may bedisplayed in a progress bar.

When the mobile terminal 10 and the display apparatus 20 are connectedthrough the TV-out cable 30, the control units 11 transmits imageinformation of the playing image to the display apparatus 20 through theTV-out cable 30. At this moment, the control unit 11 terminates thedisplay of the image being played in the image display window butmaintains the display of the image control window. Further, the displayapparatus 20 may process the received image information and display iton a screen.

The control unit 11 may control the display of supplementary informationof an image file in the image display window.

Additionally, the mobile terminal 10 displays a received broadcast imagein the display unit 17. When receiving a broadcast signal, the mobileterminal receives image information, audio information, andsupplementary information together. At this time, if the mobile terminal10 and the display apparatus 20 are connected through the TV-out cable30, the control unit 11 transmits the received broadcast imageinformation to the display apparatus 20 through the TV-out cable 30, andterminates the display of the broadcast image in the display unit 17.The control unit 11 may control the display unit 17 to displaysupplementary information of a broadcast image being received. Further,the display apparatus 20 may process the broadcast image information,and display it on a screen.

The screen of the display apparatus 20 may be optimally used fordisplaying an image, and the screen of the mobile terminal 10 may beutilized as a space for controlling the image or providing supplementaryinformation of the image, because the image transmitted from the mobileterminal 10 is displayed on the display apparatus 20 and the imagecontrol window or supplementary information is displayed on the mobileterminal.

FIGS. 3 to 6 are flow charts showing methods for displaying an imageaccording to exemplary embodiments of the present invention. Theconfiguration of the image display system 100 will become more apparentthrough the description of the methods of displaying.

FIGS. 3 and 4 show methods of displaying an image while playing an imagefile. FIG. 3 shows a case in which the TV-out cable 30 is connectedafter an image file begins playing, and FIG. 4 shows a case in which theTV-out cable 30 is connected before an image file begins playing.

Referring to FIGS. 1 to 3, a user executes a program for playing animage file in the mobile terminal 10 (S31), and the control unit 11controls the display unit 17 to display an image display window and animage control window (S32).

The user selects an image file 19 and requests for the image file to beplayed through the image control window (S33), and the control unit 11controls the display of the image of the selected image file 19 in theimage display window (S34). The control unit 11 controls the display ofplay information of the image file 19 in the image control window. Inthe case that the selected image file 19 contains audio information, thecontrol unit 11 outputs the audio information to the audio processingunit 16.

The mobile terminal 10 and the display apparatus 20 are then connectedthrough the TV-out cable 30 (S35), and the control unit 11 transmits theimage information of the image file 19 to the display apparatus 20(S36). The control unit 11 terminates the display of the image in theimage display window, but maintains the display of the image controlwindow (S37). That is, the control unit 11 controls to maintain thedisplay of the play information in the image control window.

The display apparatus 20 processes the received image information anddisplays the image on a screen (S38).

Although an example of transmitting only image information to thedisplay apparatus 20 is described at step S36 in the exemplaryembodiment, the present invention is not limited thereto. At step S36,the control unit 11 may transmit both image information and audioinformation to the display apparatus 20. In the case that the displayapparatus 20 includes an audio processing unit, the audio processingunit of the display apparatus 20 processes the received audioinformation and outputs an audio signal outwards.

The example describes terminating the display of the image in the imagedisplay window of the display unit 17 at step S37, however the controlunit 11 may thereafter display supplementary information of the playingimage file 19 in the image display window.

After step S37, the display unit 17 of the mobile terminal 10 may remainin a switched-on state, or may automatically be switched off afterelapse of a predetermined time duration. In the latter case, if any keyof the input unit 12 is input after the display unit 17 is switched off,the control unit 11 returns the mobile terminal 10 to the screen stateof step S37.

Although an example in which the mobile terminal 10 executes step S37after step S36 is described in the exemplary embodiment, in anotherexemplary embodiment step S36 may be executed after execution of stepS37.

Referring to FIGS. 1, 2, and 4, when the mobile terminal 10 and thedisplay apparatus 20 are first connected through the TV-out cable 30(S41), the display unit 17 and the display apparatus 20 display anidentical image.

The user executes a program for playing an image file in the mobileterminal 10 (S42), and the control unit 11 controls the display unit 17to display an image display window for playing an image and an imagecontrol window (S43). At this time, the display apparatus 20 displays animage display window identical to that displayed on the display unit 17.

Subsequently, the user selects an image file 19 and requests for theimage file 19 to be played through the image control window (S44), andthe control unit 11 transmits image information of the selected imagefile 19 to the display apparatus 20 (S45). The control unit 11 thenterminates the display of the image in the image display window, butmaintains the display of the play information in the image controlwindow (S46).

The display apparatus 20 processes the received image information anddisplays an image on a screen (S47). That is, the image display windowis displayed both in the display unit 17 and in the display apparatus20. However, the playing image is displayed only in the image displaywindow of the display apparatus 20, and not displayed in the imagedisplay window of the display unit 17.

Although an example of transmitting only image information to thedisplay apparatus 20 is described at step S45 in the exemplaryembodiment, the present invention is not limited thereto. At step S45,the control unit 11 may transmit both image information and audioinformation to the display apparatus 20. In the case that the displayapparatus 20 includes an audio processing unit, the audio processingunit of the display apparatus 20 processes the received audioinformation and outputs an audio signal outwards.

The example describes terminating the display of the image in the imagedisplay window of the display unit 17 at step S46; however, the controlunit 11 may thereafter display supplementary information of the playingimage file 19 in the image display window.

After step S46, the display unit 17 of the mobile terminal 10 may remainin a switched-on state, or may automatically be switched off afterelapse of a predetermined time duration. In the latter case, if any keyof the input unit 12 is input after the display unit 17 is switched off,the control unit 11 returns the mobile terminal 10 to the screen stateof step S46.

Although an example in which the mobile terminal 10 executes step S46after step S45 is described in the exemplary embodiment, in anotherexemplary embodiment step S45 may be executed after execution of stepS46.

FIGS. 5 and 6 show methods of displaying an image while receiving abroadcast. FIG. 5 shows a case in which the TV-out cable 30 is connectedafter the reception a broadcast begins, and FIG. 6 shows a case in whichthe TV-out cable 30 is connected before the reception of a broadcastbegins.

Referring to FIGS. 1, 2, and 5, broadcast information of a specificchannel is received by the broadcast receiver 14 according to a user'sselection signal input through the input unit 12 (S51), and the controlunit 11 instructs the display unit 17 to display a broadcast image ofthe corresponding channel (S52). The received broadcast informationincludes image information, audio information, and supplementaryinformation. The supplementary information includes channel informationand image information.

The mobile terminal 10 and the display apparatus 20 are then connectedthrough the TV-out cable 30 (S53), and the control unit 11 transmits thereceived broadcast image information to the display apparatus 20 (S54).The control unit 11 terminates the display of the broadcast image in thedisplay unit 17 and displays the supplementary information of thecorresponding channel (S55). At this time, the control unit 11 maydisplay a control window for controlling the reception of broadcastinformation and the broadcast image in the display unit 17, in additionto displaying the supplementary information.

The display apparatus 20 processes the received broadcast imageinformation and displays the broadcast image on a screen (S56).

Although an example of transmitting only image information to thedisplay apparatus 20 is described at step S54 in the exemplaryembodiment, the present invention is not limited thereto. At step S54,the control unit 11 may transmit both image information and audioinformation to the display apparatus 20. In the case that the displayapparatus 20 includes an audio processing unit, the audio processingunit of the display apparatus 20 processes the received audioinformation and outputs an audio signal outwards.

After step S55, the display unit 17 of the mobile terminal 10 may remainin a switched-on state, or may automatically be switched off afterelapse of a predetermined time duration. In the latter case, if any keyof the input unit 12 is input after the display unit 17 is switched off,the control unit 11 returns the mobile terminal 10 to the screen stateof step S55.

Although an example in which the mobile terminal 10 executes step S55after step S54 is described in the exemplary embodiment, in anotherexemplary embodiment step S54 may be executed after execution of stepS55.

Referring to FIGS. 1, 2, and 6, when the mobile terminal 10 and thedisplay apparatus 20 are first connected through the TV-out cable 30(S61), the display unit 17 and the display apparatus 20 display anidentical image.

Subsequently, broadcast information of a specific channel is received bythe broadcast receiver 14 according to a user's selection signal inputthrough the input unit 12 (S62), and the control unit 11 instructs thedisplay unit 17 to display a broadcast image of the correspondingchannel (S63). The control unit 11 then transmits the received broadcastimage information to the display apparatus 20 (S64), and terminates thedisplay of the broadcast image in the display unit 17 and displays thesupplementary information of the corresponding channel (S65). At thistime, the control unit 11 may display a control window for controllingthe reception of broadcast information and the broadcast image in thedisplay unit 17, in addition to displaying the supplementaryinformation.

The display apparatus 20 processes the received broadcast imageinformation and displays the broadcast image on a screen (S66).

Although an example of transmitting only image information to thedisplay apparatus 20 is described at step S64 in the exemplaryembodiment, the present invention is not limited thereto. At step S64,the control unit 11 may transmit both image information and audioinformation to the display apparatus 20. In the case that the displayapparatus 20 includes an audio processing unit, the audio processingunit of the display apparatus 20 processes the received audioinformation and outputs an audio signal outwards.

After step S65, the display unit 17 of the mobile terminal 10 may remainin a switched-on state, or may automatically be switched off afterelapse of a predetermined time duration. In the latter case, if any keyof the input unit 12 is input after the display unit 17 is switched off,the control unit 11 returns the mobile terminal 10 to the screen stateof step S65.

Although an example in which the mobile terminal 10 executes step S65after step S64 is described in the exemplary embodiment, on anotherexemplary embodiment step S64 may be executed after execution of stepS65.

FIGS. 7 and 8 show screen examples of playing an image file 19 stored inthe memory unit 13 for the methods for displaying an image of FIGS. 3and 4.

As shown in FIG. 7, if an image file is played in the state that themobile terminal 10 and the display apparatus 20 are not connectedthrough the TV-out cable 30, an image display window 51 and an imagecontrol window 53 are displayed in the display unit 17. An image 19 a ofa selected image file is displayed in the image display window 51 andplay information of the playing image file is displayed in the imagecontrol window 53.

As shown in FIG. 8, if the mobile terminal 10 and the display apparatus20 are connected through the TV-out cable 30, supplementary information19 b is displayed in the image display window 51 of the mobile terminal10 instead of the image of the playing image file. The display apparatus20 then displays the image 19 a of the image file received from themobile terminal 10. At this time, the display of the image controlwindow 53 is maintained so that a user can control the image filethrough the mobile terminal 10.

Although the present disclosure has been described with an exemplaryembodiment, various changes and modifications may be suggested to oneskilled in the art. It is intended that the present disclosure encompasssuch changes and modifications as fall within the scope of the appendedclaims.

1.-18. (canceled)
 19. A method of displaying an image, comprising:displaying an image control window on a display screen of a mobileterminal while the mobile terminal is connected to an external displaydevice through a TV-out cable; and transmitting an image from the mobileterminal to the external display device through the TV-out cable so thatthe external display device can display the received image on a displayscreen of the external display device, wherein the mobile terminaldisplays the image control window and does not display the image on thedisplay screen of the mobile terminal while the external display devicedisplays the received image data on the display screen of the externaldisplay device, and wherein the image control window is to be used tocontrol play of image data for the image so that a user of the mobileterminal, through the image control window, can control displaying ofthe image on the external display device.
 20. The method of claim 19,wherein the image control window comprises at least one of a controlmenu, a title, play time, progress time, and a progress barcorresponding to the image.
 21. The method of claim 19, wherein notdisplaying the image on the display screen of the mobile terminal whilethe external display device displays the received image on the displayscreen of the external display device further comprises displayingsupplementary information related to the image on the display screen ofthe mobile terminal.
 22. The method of claim 21, wherein thesupplementary information comprises at least one of a type, a size, aresolution, a description, a genre, a date information, and a directorof the image.
 23. The method of claim 21, further comprising displayingthe supplementary information together with the image control window onthe display screen of the mobile terminal.
 24. The method of claim 19,wherein the image comprises a movie or video.
 25. A mobile terminal,comprising: a display unit configured to display an image control windowwhile the mobile terminal is connected to an external display devicethrough a TV-out cable; and a control unit configured to transmit animage from the mobile terminal to the external display device throughthe TV-out cable so that the external display device can display thereceived image on a display screen of the external display device,wherein the display unit is further configured to display the imagecontrol window and not to display the image while the external displaydevice displays the received image on the display screen of the externaldisplay device, and wherein the image control window is to be used tocontrol play of image data for the image so that a user of the mobileterminal, through the image control window, can control displaying ofthe image on the external display device.
 26. The mobile terminal ofclaim 25, wherein the image control window comprises at least one of acontrol menu, a title, play time, progress time, and a progress barcorresponding to the image.
 27. The mobile terminal of claim 25, whereinthe display unit is further configured, when not displaying the imagewhile the external display device displays the received image on thedisplay screen of the external display device, to display supplementaryinformation related to the image.
 28. The mobile terminal of claim 27,wherein the supplementary information comprises at least one of a type,a size, a resolution, a description, a genre, a date information, and adirector of the image.
 29. The mobile terminal of claim 27, wherein thedisplay unit is further configured to display the supplementaryinformation together with the image control window.
 30. The mobileterminal of claim 25, wherein the image comprises a movie or video. 31.A method of displaying an image using a mobile terminal, comprising:playing an image file using an image control window of the mobileterminal while the mobile terminal is connected to an external displaydevice; and transmitting an image information and an audio informationof the image file playing on the mobile terminal to the external displaydevice, displaying the image information on the external display deviceand outputting the audio information through the external displaydevice, wherein the mobile terminal displays the image control windowand does not display the image information on a display screen of themobile terminal while the external display device displays the receivedimage information on a display screen of the external display device,and wherein the image control window is to be used to control play ofimage data for the image file so that a user of the mobile terminal,through the image control window, can control displaying of the imagefile.
 32. The method of claim 31, wherein the image control windowcomprises at least one of a control menu, a title of the image file,play time, progress time, and a progress bar corresponding to the imagefile.
 33. The method of claim 31, wherein not displaying the imageinformation on the display screen of the mobile terminal while theexternal display device displays the received image information on thedisplay screen of the external display device further comprisesdisplaying supplementary information related to the playing image file.34. The method of claim 33, wherein the supplementary informationcomprises at least one of a type, a size, a resolution, a description, agenre, a date information, and a director of the image file.
 35. Themethod of claim 33, further comprising displaying the supplementaryinformation together with the image control window on the display screenof the mobile terminal.
 36. The method of claim 31, wherein the imagecomprises a movie or video.
 37. The method of claim 31, wherein themobile terminal is connected to a TV-out cable and transmits the imageinformation to the external display device through the TV-out cable. 38.A mobile terminal, comprising: a control unit configured to play animage file on the mobile terminal based on input received through animage control window of the mobile terminal while the mobile terminal isconnected to an external display device and to transmit an imageinformation and an audio information of the image file playing on themobile terminal to the external display device, wherein the externaldisplay device is configured to display the image information and tooutput the audio information; and a display unit configured to displaythe image control window and not to display the image information on adisplay screen of the mobile terminal while the external display devicedisplays the image information on a display screen of the externaldisplay device.
 39. The mobile terminal of claim 38, wherein the imagecontrol window is to be used to control play of image data for the imagefile so that a user of the mobile terminal, through the image controlwindow, can control displaying of the image file.
 40. The mobileterminal of claim 38, wherein the image control window comprises atleast one of a control menu, a title of the image file, play time,progress time, and a progress bar corresponding to the image file. 41.The mobile terminal of claim 38, wherein the display unit is furtherconfigured, when not displaying the image information on the displayscreen of the mobile terminal while the external display device displaysthe received image information on the display screen of the externaldisplay device, to display supplementary information related to theplaying image file.
 42. The mobile terminal of claim 41, wherein thesupplementary information comprises at least one of a type, a size, aresolution, a description, a genre, a date information, and a directorof the image file.
 43. The mobile terminal of claim 41, wherein thedisplay unit is further configured to display the supplementaryinformation together with the image control window on the display screenof the mobile terminal.
 44. The mobile terminal of claim 38, wherein theimage comprises a movie or video.
 45. The mobile terminal of claim 38,further comprising a TV-out terminal configured to connect the mobileterminal to the external display device through a TV-out cable, whereinthe control unit is configured to transmit the image information to theexternal display device through the TV-out cable.